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Groups > linux.debian.user > #235698 > unrolled thread

which command can show if usb 3.0 is used

Started byLong Wind <longwind2@yahoo.com>
First post2021-05-31 02:30 +0200
Last post2021-06-01 13:00 +0200
Articles 5 on this page of 25 — 11 participants

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  which command can show if usb 3.0 is used Long Wind <longwind2@yahoo.com> - 2021-05-31 02:30 +0200
    Re: which command can show if usb 3.0 is used Jude DaShiell <jdashiel@panix.com> - 2021-05-31 02:40 +0200
      Re: which command can show if usb 3.0 is used Jude DaShiell <jdashiel@panix.com> - 2021-05-31 03:40 +0200
      Re: which command can show if usb 3.0 is used Stella Ashburne <rewefie@gmx.com> - 2021-05-31 03:00 +0200
        Re: which command can show if usb 3.0 is used Jude DaShiell <jdashiel@panix.com> - 2021-05-31 03:30 +0200
          Re: which command can show if usb 3.0 is used Long Wind <longwind2@yahoo.com> - 2021-05-31 04:00 +0200
            Re: which command can show if usb 3.0 is used Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-05-31 05:20 +0200
            Re: which command can show if usb 3.0 is used <tomas@tuxteam.de> - 2021-05-31 09:10 +0200
              Re: which command can show if usb 3.0 is used Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-05-31 10:50 +0200
                Re: which command can show if usb 3.0 is used tomas@tuxteam.de - 2021-05-31 11:20 +0200
                  Re: which command can show if usb 3.0 is used Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-05-31 19:50 +0200
                    Re: which command can show if usb 3.0 is used Andrei POPESCU <andreimpopescu@gmail.com> - 2021-06-01 11:00 +0200
                      Re: which command can show if usb 3.0 is used Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-06-01 13:00 +0200
                Re: which command can show if usb 3.0 is used Stefan Monnier <monnier@iro.umontreal.ca> - 2021-05-31 16:00 +0200
              Re: which command can show if usb 3.0 is used Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-05-31 11:00 +0200
              Re: which command can show if usb 3.0 is used <tomas@tuxteam.de> - 2021-05-31 11:20 +0200
        Re: which command can show if usb 3.0 is used Long Wind <longwind2@yahoo.com> - 2021-05-31 03:20 +0200
          Re: which command can show if usb 3.0 is used Geoff <unit735@bigpond.com> - 2021-05-31 04:10 +0200
            Re: which command can show if usb 3.0 is used Polyna-Maude Racicot-Summerside <debian@polynamaude.com> - 2021-05-31 05:20 +0200
            Re: which command can show if usb 3.0 is used Geoff Reidy <geoff.reidy@gmail.com> - 2021-05-31 05:10 +0200
            Re: which command can show if usb 3.0 is used Geoff <unit735@bigpond.com> - 2021-05-31 05:10 +0200
              Re: which command can show if usb 3.0 is used Geoff <unit735@bigpond.com> - 2021-05-31 05:30 +0200
    Re: which command can show if usb 3.0 is used Jude DaShiell <jdashiel@panix.com> - 2021-05-31 06:50 +0200
    Re: which command can show if usb 3.0 is used Stefan Monnier <monnier@iro.umontreal.ca> - 2021-05-31 16:00 +0200
    Re: which command can show if usb 3.0 is used Thomas Amm <debili@open-email.net> - 2021-06-01 13:00 +0200

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#235713

FromGeoff <unit735@bigpond.com>
Date2021-05-31 05:10 +0200
Message-ID<CkGtr-63a-7@gated-at.bofh.it>
In reply to#235709
Long Wind wrote:
> Thank Geoff! with usb3 disk plugged to lenovo running buster
> i see msg below, but i'm not sure if usb3 is used
> 
> May 31 10:21:18 debian kernel: [13385.174292] usb 5-6: new high-speed USB device number 12 using ehci-pci

Definitely looks like usb 2, the ehci driver also points to this. Is the interface on the PC usb 3?

What kernel are you running, mine seems to use the xhci driver even for usb 2.

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#235714

FromGeoff <unit735@bigpond.com>
Date2021-05-31 05:30 +0200
Message-ID<CkGMN-69s-1@gated-at.bofh.it>
In reply to#235713
Geoff wrote:
> Long Wind wrote:
>> Thank Geoff! with usb3 disk plugged to lenovo running buster
>> i see msg below, but i'm not sure if usb3 is used
>>
>> May 31 10:21:18 debian kernel: [13385.174292] usb 5-6: new high-speed USB device number 12 using ehci-pci
>
> Definitely looks like usb 2, the ehci driver also points to this. Is the interface on the PC usb 3?
>
> What kernel are you running, mine seems to use the xhci driver even for usb 2.
>

Further to this if I understand correctly your usb controller is ehci which means it can only do usb 2, does the motherboard have any other connectors?

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#235717

FromJude DaShiell <jdashiel@panix.com>
Date2021-05-31 06:50 +0200
Message-ID<CkI2d-6Tx-1@gated-at.bofh.it>
In reply to#235698
Very informative, I didn't know what either of those drivers were until
now thanks.


On Mon, 31 May 2021, Chuck Zmudzinski wrote:

> On 5/30/2021 8:22 PM, Long Wind wrote:
> > i have new usb 3 disk
> > i want to find out if usb 3 is used when it's connected to stretch
> Use something like:
>
> sudo dmesg | grep hci
>
> If output shows ehci, then you are using usb 2, and if output shows xhci, then
> you can use usb 3.
>
> To make stretch use the usb 3 driver, make sure the USB 3 controller is
> enabled in the UEFI setup for your computer and use a usb 3 enabled port. it
> is usually a blue port for a usb 3 port and a black port for a usb 2 port.
>
>

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#235743

FromStefan Monnier <monnier@iro.umontreal.ca>
Date2021-05-31 16:00 +0200
Message-ID<CkQCu-3yE-5@gated-at.bofh.it>
In reply to#235698
> If output shows ehci, then you are using usb 2, and if output shows xhci,
> then you can use usb 3.
           ^^^

Can, indeed, but that still depends on other things, such as the actual
setup of the physical port.  IIUC most modern Intel chipsets don't come
with EHCI any more and their xHCI handles all the ports, not all of
which are necessarily USB3.

Furthermore, "USB3" is an umbrella term which can refer to various things.


        Stefan

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#235782

FromThomas Amm <debili@open-email.net>
Date2021-06-01 13:00 +0200
Message-ID<ClahP-6QV-7@gated-at.bofh.it>
In reply to#235698
On Mon, 2021-05-31 at 00:22 +0000, Long Wind wrote:
> i have new usb 3 disk
> i want to find out if usb 3 is used when it's connected to stretch

dmesg should tell you when it is discovered and which device class,
module and speed are used.

-- 
Jun 01 	The Beatles release "Sgt. Pepper", 1967
Jun 01 	Mikhail Glinka is born, 1804
Jun 02 	Edward William Elgar is born in Lower Broadheath, England,
1857
Jun 02 	First issue of Computerworld, 1967

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